BARBADOS-ANTIGUA REPORTS 23 



Barbados; Engineers' Pier, in 25 feet of water. 



One specimen ; the centrodoi'sal is very thin, discoidal, the flat 

 dorsal pole 5 mm. in diameter, slightly sunken in a circular area 

 2 mm. in diameter in the center. 



The cirri, which are arranged in a single very irregular mar- 

 ginal row, are XXII, 13-15, 13 mm. or 14 mm. long. 



The 43 arms are about 90 mm. long. 



The color in life was "sulphur yellow." 



Barbados. 



Arms only; "nearly black." 



Nemaster discoidea (P. H. Carpenter) 



Actinometra discoidea 1883. vox Graff, Bull. Mus. Comp. 

 Zool., vol. 11, No. 7, p. 127 {nomen nudum; myzostomes). — 

 1884. VON Graff, "Challenger" Reports, vol. 10, Zoology, 

 part 27, p. 14 {nomen nudum; myzostomes). — 1888. P. H. 

 Carpenter, "Challenger" Reports, vol. 26, Zoology, pp. 58, 

 316, 317, 368, 382 (Caribbean Islands, 88-118 fathoms). 



Actinometra echinoptera var. discoidea 1912. Hartlub, Mem. 

 Mus. Comp. Zool., vol. 27, No. 4, p. 463, pi. 17, figs. 7, 9, 15 

 (fig. 14, also given as this species, is probably iowensis). 



Nemaster insolitus 1917. A. H. Clark, Proc. Biol. Soc. Wash- 

 ington, vol. 30, p. 65 ("Albatross" Station 2146, Caribbean 

 Sea, 34 fathoms). 

 Station 50: 

 Arms only. 

 Station 51 : 



One magnificent specimen; the centrodorsal is thin, discoidal, 

 the flat dorsal pole 5 mm. in diameter with a shallow central de- 

 pression ; the cirri are XXIV, 13, from 12 mm. to 14 mm. long ; 

 the twenty slender arms are about 150 mm. long ; all of the IIBr 



series are 4(3-f-4). 



Station 70 : 

 Arm fragments. 

 Station 79 : 

 Arms only. 

 Station 85 : 

 Part of an arm. 



